United States Patent 3283804
Inventors:
Yancey, William H.
Publication Date:
11/08/1966
Assignee:
Yancey, William H.
Other Classes:
160/368.100, 160/328, 160/354
International Classes:
E06B3/28; E06B3/04
US Patent References:
| 3057401 | Combination screen and pliable film closure | | | |
| 3186129 | Ceilings or walls | | | |